Cats
cracking. There are not enough melanocytes available to fill the white areas as their surface
expands. This means that the black domains can end up pushed together to form a single
tuxedo style black area (albeit there may be some small white markings in this single black
area). The white belly area might be a ventral (belly) seam from a ventral crack earlier on - it
is suspected that the belly area expands greatly during embryo growth. Megacolon in cats and
exposed gut conditions in some rabbits upholds this theory. Black feet could indicate a black
domain that has been pushed to the foot extremity by the expansion of the ventral region at
the same time that the limbs are being formed.
Where the white spotting occurs over the eyes, it may affect the eye colour. Thus a few
bicolour cats have blue eyes. Another interesting effect of white spotting is in tortoiseshell
cats
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